feat(nvim): add impatient.nvim for faster startup

modules/programs/nvim/default.nix

@@ -78,6 +78,7 @@ in
           cmp_luasnip
           copilot-cmp
           direnv-vim
+          impatient-nvim
           lsp_lines-nvim
           lspkind-nvim
           lspsaga-nvim-original

modules/programs/nvim/init.lua

@@ -37,6 +37,8 @@ if vim.g.neovide then
   vim.g.neovide_scale_factor = 0.7
 end
 
+require("impatient")
+
 local wk = require("which-key")
 
 require("nvim-treesitter.configs").setup({